background image

SKU 66872 

For technical questions, please call 1-800-444-3353. 

Page 13

Troubleshooting

Problem

Possible Causes

Likely Solutions

Insufficient 

fastener depth.

1.  Incorrect tool depth setting.
2.  Not enough air pressure. 

 

 

3.  Incorrect lubrication or not 

enough lubrication.

4.  Blocked air inlet screen (if 

equipped).

5.  Mechanism contaminated. 

 

1.  Adjust depth setting, if available.
2.  Check for loose connections and make 

sure that air supply is providing enough air 

pressure (PSI) to the tool’s air inlet.  

Do not 

exceed maximum air pressure.

3.  Lubricate using air tool oil and grease 

according to directions.

4.  Clean air inlet screen of buildup. 

5.  Have qualified technician clean and lubricate 

mechanism.  Install in-line filter in air supply 

as stated in Initial Set Up: Air Supply.

Fasteners drive 

too deeply.

1.  Incorrect tool depth setting.
2.  Too much air pressure.

1.  Adjust depth setting, if available.
2.  Reduce air supply pressure (PSI).

Tool cycles 

without firing 

fastener.

1.  Tool empty.
2.  Incorrect fasteners used.
3.  Magazine dirty or not 

lubricated properly.

4.  Insufficient air flow. 

 

 

 

5.  Nails jammed.

1.  Fill with correct fasteners.
2.  Empty, then fill with correct fasteners.
3.  Clean and lubricate magazine and pusher. 

4.  Check for loose connections and make 

sure that air supply is providing enough air 

flow (CFM) and pressure (PSI) to the tool’s 

air inlet.  

Do not exceed maximum air 

pressure.

5.  Check the Magazine, remove Nozzle, and 

clear bent or broken nails.

Frequent 

jamming.

Incorrect fastener type.

Confirm fastener diameter, type, length, angle, 

and collation type.  Correct as needed.

Severe air 

leakage.

(Slight air leakage 

is normal, 

especially on 

older tools.)

1.  Cross-threaded housing 

components. 

2.  Loose housing. 

 

3.  Damaged valve or housing.
4.  Dirty, worn or damaged valve. 

1.  Check for incorrect alignment and uneven 

gaps.  If cross-threaded, disassemble and 

replace damaged parts before use.

2.  Tighten housing assembly.  If housing cannot 

tighten properly, internal parts may be 

misaligned.

3.  Replace damaged components.
4.  Clean or replace valve assembly.

Follow all safety precautions whenever diagnosing or servicing the tool.  

Disconnect air supply before service.

out. Use a screwdriver to release 

the jammed fastener by probing the 

openings in the magazine. 

3.  Pull out the jammed fastener and the 

remainder of the fastener strip that is 

still in the magazine. Dispose of the 

remaining fastener strip; it may be 

bent or damaged in some other way. 

4.  If unable to clear jam using the meth-

od prescribed above, the tool should 

be taken to a qualified service techni-

cian for proper servicing.

Summary of Contents for 66872

Page 1: ...HIS MANUAL Copyright 2009 by Harbor Freight Tools All rights reserved No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools Diagrams within this manual may not be drawn proportionally Due to continuing improvements actual product may differ slightly from the product described herein Tools require...

Page 2: ...oided could result in death or serious injury CAUTION used with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE is used to address practices not related to personal injury CAUTION without the safety alert symbol is used to address practices not related to personal injury IMPORTANT SAFETY INSTRUCTIONS INSTRUCTIONS PERTAINI...

Page 3: ... conditions Wear heavy duty work gloves during use f Always wear eye protec tion Wear ANSI ap proved safety goggles g Always wear hearing protection when using the tool Prolonged expo sure to high intensity noise is able to cause hearing loss h Do not attach the hose or tool to your body Attach the hose to the structure to reduce the risk of loss of balance if the hose shifts i Always assume that ...

Page 4: ... not intended for use with the specific tool model increases the risk of injury to persons i Use only those fasteners listed in the Accessories section of this manual Fasteners not identified for use with this tool by the tool manu facturer are able to result in a risk of injury to persons or tool damage when used in this tool Service a Tool service must be performed only by qualified repair perso...

Page 5: ...ion by the operator and others in the work area 2 Keep fingers away from Trigger when not driving fasteners to avoid accidental firing 3 Always assume the tool contains fasteners 4 Do not point the tool toward yourself or anyone whether it contains fasten ers or not 5 Do not actuate the tool unless the tool is placed firmly against the work piece 6 Respect tool as a working implement 7 No horsepla...

Page 6: ...ng grinding drill ing and other construction activities contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm Some examples of these chemicals are Lead from lead based paints Crystalline silica from bricks and cement or other masonry products Arsenic and chromium from chemi cally treated lumber Your risk from these exposures var ies depending ...

Page 7: ...a choice between dif ferent processes 5 Include vibration free periods each day of work 6 Grip tool as lightly as possible while still keeping safe control of it Let the tool do the work 7 To reduce vibration maintain tool as explained in this manual If abnormal vibration occurs stop immediately SAVE THESE INSTRUCTIONS FUNCTIONAL DESCRIPTION Specifications Air Pressure Range 60 90 PSI Maximum Air ...

Page 8: ... is rup tured Note If an automatic oiler system is not used add a few drops of Pneumatic Tool Oil to the airline connection be fore operation Add a few more drops after each hour of continual use 2 Attach an air hose to the compres sor s air outlet Connect the air hose to the air inlet of the tool Other com ponents such as a connector and quick coupler will make operation more efficient but are no...

Page 9: ... of this manual including all text under subheadings therein before set up or use of this product Inspect tool before use looking for damaged loose and missing parts If any problems are found do not use tool until repaired Work Piece and Work Area Set Up 1 Designate a work area that is clean and well lit The work area must not allow access by children or pets to prevent injury and distraction 2 Ro...

Page 10: ...workpiece again The tool must not cycle fire If it fails to perform in the manner explained in bold have it repaired by a qualified service techni cian 8 Please note The Trigger and Safety will not work when the Nailer Maga zine is empty Loading the Tool TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION BEFORE LOADING Wear ANSI approved safety goggles with side shields Other people in the work a...

Page 11: ...I to prop erly drive the fastener 4 Grip the Body 29 of the Nailer with both hands and press the Nozzle 59 against the surface you wish to fasten Be sure to keep hands fin gers and other body parts away from Nozzle 5 Press the Trigger 40 to activate the Nailer 6 If the tool requires more force to accomplish the task verify that the tool receives sufficient unobstructed airflow CFM and increase the...

Page 12: ...e procedures are in addition to the regular checks and maintenance explained as part of the regular op eration of the air operated tool 1 Daily Air Supply Maintenance Every day perform maintenance on the air supply according to the com ponent manufacturers instructions The lubricator s oil level needs to be maintained and the moisture filter must be regularly drained Perform ing routine maintenanc...

Page 13: ...agazine and pusher 4 Check for loose connections and make sure that air supply is providing enough air flow CFM and pressure PSI to the tool s air inlet Do not exceed maximum air pressure 5 Check the Magazine remove Nozzle and clear bent or broken nails Frequent jamming Incorrect fastener type Confirm fastener diameter type length angle and collation type Correct as needed Severe air leakage Sligh...

Page 14: ...1 41 Trigger Frame 1 Part Description Q ty 42 Guide 1 43 Trigger Release Catch 1 44 Compression Spring 1 45 Catch Guide Plate 1 46 Screw 5 x 22 3 47 Washer 5 x 1 1 2 48 Spacer 1 49 Spring Pin 3 x 24 1 50 Trigger Pin 1 51 O Ring 37 5 x 3 5 1 52 Tail Cover 1 53 Male Air Coupler 1 54 Screw 4 x 8 3 55 Driver Guide Cover 1 56 Nozzle Cover 1 57 Safety 1 58 Screw 4 x 18 2 59 Nozzle 1 60 Nylon Nut M5 1 61...

Page 15: ... ASSEMBLY DIAGRAM 1 2 3 4 5 6 7 8 76 9 10 11 12 13 14 77 15 16 17 18 19 20 78 21 22 23 11 24 25 26 79 27 28 29 30 31 32 33 34 35 36 80 35 37 38 39 40 41 71 72 73 75 53 52 51 50 49 46 47 48 45 44 43 42 74 54 55 56 57 58 59 60 61 54 62 46 19 81 63 64 65 66 82 67 68 69 70 ...

Page 16: ...igence or accidents repairs or alterations outside our facilities criminal ac tivity improper installation normal wear and tear or to lack of maintenance We shall in no event be liable for death injuries to persons or property or for incidental contingent special or consequential damages arising from the use of our product Some states do not allow the exclusion or limitation of incidental or conse...

Reviews: